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U.S. Department of Energy
Office of Scientific and Technical Information

Fuel injector for internal combustion engines

Patent ·
OSTI ID:6365538
A fuel injector is described comprising: a nozzle holder; a nozzle body having a valve seat formed along a passage through the nozzle body, the nozzle body being connected to the nozzle holder; a needle valve movably disposed in the passage in the nozzle body, a nozzle spring positioned to normally urge the needle valve against the valve seat, a movable spring seat disposed between the needle valve and the nozzle spring, the needle valve being adapted to be moved away from the valve seat up to a first distance to effect fuel injection in response to the pressure of fuel applied to the fuel injector; and the nozzle body and the needle valve jointly defining therebetween a pressure chamber in fluid communication with the passage.
Assignee:
Diesel Kiki Co., Ltd., Tokyo
Patent Number(s):
US 4669668
OSTI ID:
6365538
Country of Publication:
United States
Language:
English